12904840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 33203520

約数和(自身を除く): 20298680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 83, 92, 104, 115, 130, 166, 169, 184, 230, 260, 299, 332, 338, 415, 460, 520, 598, 664, 676, 830, 845, 920, 1079, 1196, 1352, 1495, 1660, 1690, 1909, 2158, 2392, 2990, 3320, 3380, 3818, 3887, 4316, 5395, 5980, 6760, 7636, 7774, 8632, 9545, 10790, 11960, 14027, 15272, 15548, 19090, 19435, 21580, 24817, 28054, 31096, 38180, 38870, 43160, 49634, 56108, 70135, 76360, 77740, 99268, 112216, 124085, 140270, 155480, 198536, 248170, 280540, 322621, 496340, 561080, 645242, 992680, 1290484, 1613105, 2580968, 3226210, 6452420, 12904840]

約数ペア:

[(1, 12904840), (2, 6452420), (4, 3226210), (5, 2580968), (8, 1613105), (10, 1290484), (13, 992680), (20, 645242), (23, 561080), (26, 496340), (40, 322621), (46, 280540), (52, 248170), (65, 198536), (83, 155480), (92, 140270), (104, 124085), (115, 112216), (130, 99268), (166, 77740), (169, 76360), (184, 70135), (230, 56108), (260, 49634), (299, 43160), (332, 38870), (338, 38180), (415, 31096), (460, 28054), (520, 24817), (598, 21580), (664, 19435), (676, 19090), (830, 15548), (845, 15272), (920, 14027), (1079, 11960), (1196, 10790), (1352, 9545), (1495, 8632), (1660, 7774), (1690, 7636), (1909, 6760), (2158, 5980), (2392, 5395), (2990, 4316), (3320, 3887), (3380, 3818)]